| Insider trade | 4 | 2003-07-01 | 2003-07-01 |
| Employee plan annual report | 11-K | 2003-06-30 | 2002-12-31 |
| Employee plan annual report | 11-K | 2003-06-30 | 2002-12-31 |
| Employee plan annual report | 11-K | 2003-06-30 | 2002-12-31 |
| Employee plan annual report | 11-K | 2003-06-30 | 2002-12-31 |
| Quarterly report | 10-Q | 2003-05-13 | 2003-03-31 |
| Major company event | 8-K | 2003-04-25 | 2003-03-31 |
| 305B2 | - | 2003-03-03 | - |
| Securities registration | S-3 | 2003-02-18 | - |
| Passive ownership stake (update) | SC 13G/A | 2003-02-14 | - |
| Quarterly report | 10-Q | 2003-02-13 | 2002-12-31 |
| Passive ownership stake (update) | SC 13G/A | 2003-02-07 | - |
| Major company event | 8-K | 2003-01-29 | 2002-12-31 |
| Quarterly report | 10-Q | 2002-11-12 | 2002-09-30 |
| 424B3 | - | 2002-10-02 | - |
| Prospectus supplement | 424B2 | 2002-09-27 | - |
| Annual report to shareholders | ARS | 2002-09-26 | 2002-06-30 |
| Proxy statement | DEF 14A | 2002-09-25 | 2002-11-07 |
| Major company event | 8-K | 2002-09-23 | 2002-06-30 |
| Annual report | 10-K | 2002-09-20 | 2002-06-30 |
| Employee plan annual report | 11-K | 2002-06-27 | 2001-12-31 |
| Employee plan annual report | 11-K | 2002-06-27 | 2001-12-31 |
| Employee plan annual report | 11-K | 2002-06-27 | 2001-12-31 |
| Employee plan annual report | 11-K | 2002-06-27 | 2001-12-31 |
| Quarterly report | 10-Q | 2002-05-13 | 2002-03-31 |
| Employee stock plan | S-8 | 2002-04-16 | - |
| Passive ownership stake | SC 13G | 2002-02-14 | - |
| Quarterly report | 10-Q | 2002-02-13 | 2001-12-31 |
| Passive ownership stake (update) | SC 13G/A | 2002-02-05 | - |
| 305B2 | - | 2001-11-16 | - |
| Quarterly report | 10-Q | 2001-11-13 | 2001-09-30 |
| Securities registration | S-3 | 2001-10-29 | - |
| Activist ownership stake | SC 13D | 2001-10-09 | - |
| Activist ownership stake | SC 13D | 2001-10-04 | - |
| Proxy statement | DEF 14A | 2001-10-03 | 2001-10-04 |
| Annual report | 10-K | 2001-09-28 | 2001-06-30 |
| PRE 14A | - | 2001-08-30 | 2001-08-30 |
| Employee stock plan | S-8 | 2001-08-20 | - |
| Securities registration | S-3 | 2001-07-03 | - |
| Employee plan annual report | 11-K | 2001-06-29 | 2000-12-31 |
| Employee plan annual report | 11-K | 2001-06-29 | 2000-12-31 |
| Employee plan annual report | 11-K | 2001-06-29 | 2000-12-31 |
| Employee plan annual report | 11-K | 2001-06-29 | 2000-12-31 |
| Quarterly report | 10-Q | 2001-05-09 | 2001-03-31 |
| Quarterly report | 10-Q | 2001-02-14 | 2000-12-31 |
| Passive ownership stake (update) | SC 13G/A | 2001-02-12 | - |
| Prospectus supplement | 424B2 | 2001-02-05 | - |
| Major company event | 8-K | 2001-02-02 | 2001-01-19 |
| Activist ownership stake (update) | SC 13D/A | 2001-01-09 | - |
| Quarterly report | 10-Q | 2000-11-14 | 2000-09-30 |
